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Alaska ZIP Codes
Yukon Koyukuk County
Fort Yukon, AK
99740
99740 ZIP Code — Fort Yukon, AK
Yukon Koyukuk County, Alaska
ZIP code 99740 is located in
Fort Yukon ,
Alaska ,
within Yukon Koyukuk County .
It covers approximately 8,041.44 square miles and serves a population of
476 residents.
This is a standard ZIP code in the Alaska (AKT) timezone,
served by area code 907 .
About ZIP code 99740
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $130,000. Owner-occupancy is high at 78%, well above the national average.
Median household income is $46,250. SNAP benefit usage at 27% of households reflects economic stress in the area. 43% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 7 minutes is near the national average.
College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of diabetes (16%), smoking (37%) compared to national benchmarks.
Notable community characteristics include disability rates above the national average at 22%.
Overall, ZIP code 99740 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
99740 ZIP code map
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Cities in ZIP code 99740
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Demographics
updated 06/2026
Population
Total population
476
Population density
60 / sq mi
State FIPS
02
County FIPS
290
Geography
Land area
8,041.44 sq mi
Water area
180.24 sq mi
Latitude
66.4425
Longitude
-145.7553
Timezone
Alaska (AKT)
Area code
907
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
54.5%
57.9%
29.8%
$50k – $100k
32.0%
28.7%
32.4%
$100k – $200k
13.5%
11.4%
28.9%
Over $200k
0.0%
2.0%
8.8%
Demographics & statistics
$46,250
Median household income
$130,000
Median home value
$1,292
Median monthly rent
13.6%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 126 26.5% 18 and over 350 73.5% 65 and over 115 24.2% Median age 43.7 years
Race & ethnicity
American Indian / Alaska Native
76.7%
Black or African American
1%
Group Count % American Indian / Alaska Native 366 76.7% Two or more races 65 13.6% White 30 6.3% Asian 10 2.1% Black or African American 5 1% Hispanic or Latino 1 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
54.5%
57.9%
29.8%
$50k – $100k
32.0%
28.7%
32.4%
$100k – $200k
13.5%
11.4%
28.9%
Over $200k
0.0%
2.0%
8.8%
Range % of households Under $10k 10.4% $10k–$15k 6.8% $15k–$25k 14.4% $25k–$35k 10.4% $35k–$50k 10.8% $50k–$75k 12.8% $75k–$100k 12.0% $100k–$150k 15.6% $150k–$200k 4.8% $200k+ 2.0% Median income $46,250
Housing
Housing overview
Metric Value Median home value $130,000 Median rent / month $1,292 Owner occupied 77.6% Renter occupied 22.4% Vacant 34.0% Single-family detached 99.2% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 2.6 Avg household size (owned) 1.89
Year built
Era % 2020 or later 0.0% 2010–2019 6.6% 2000–2009 18.7% 1990–1999 12.4% 1980–1989 14.8% 1970–1979 25.6% 1960–1969 7.7% 1950–1959 7.9% 1940–1949 5.3% 1939 or earlier 1.1%
Bedrooms
Size % of units No bedroom (studio) 30.3% 1 bedroom 20.8% 2 bedrooms 24.5% 3 bedrooms 22.4% 4 bedrooms 1.8% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 42.8% 1 vehicle 39.6% 2 vehicles 17.6% 3 or more 0.0%
Heating fuel
Fuel type % Fuel oil 52.4% Wood 43.6%
Households & families
Household type Count % Married-couple family 35 14.0% Cohabiting couple 13 5.2% Male householder, no spouse 94 37.6% Female householder, no spouse 108 43.2% Households with children under 18 76 30.4% Households with seniors (65+) 114 45.6% Average household size 1.82
Marital status
Status Male Female Never married 43.8% 44.3% Married 22.7% 20.2% Separated 3.2% 0.0% Widowed 3.8% 19.7% Divorced 26.5% 15.8%
Education
Some college, no degree
28.2%
Graduate / professional
5.6%
Metric % HS diploma or higher 81.4% Bachelor's or higher 13.6%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 9 8.8% Kindergarten 3 2.9% Elementary school 51 50.0% High school 39 38.2% College / grad school 0 0.0%
Employment
Industry of employment
Education & healthcare
39.5%
Public administration
31.2%
Transportation & utilities
19.7%
Occupation
Category % Management, business & arts 33.1% Service 17.8% Sales & office 21.0% Natural resources & construction 14.6% Production & transportation 13.4%
Employment type
Type % Private sector 28.7% Government 71.3% Self-employed 0.0% Unpaid family workers 0.0%
Commute
Method % Drive alone 53.5% Carpool 15.9% Public transit 2.5% Walk 21.0% Work from home 3.2% Other means 3.8% Avg commute (minutes) 7.2
Poverty
Married-couple families
17.1%
Female-led households
6.0%
Income support
Source % of households Social Security 42.8% Retirement income 20.0% Supplemental Security 11.6% Cash public assistance 11.2% Food stamps / SNAP 27.2%
Health indicators
Condition % Obesity 39.3% High blood pressure 38.6% High cholesterol 29.8% Diabetes 16.2% Heart disease 9.2% Stroke 5.7% Asthma 12.5% Arthritis 25.2% Kidney disease 4.2% Pulmonary disease 10.5% Cancer 5.4%
Behavior / access % Smoking 36.5% Binge drinking 19.3% No physical activity 31.9% Less than 7 hrs sleep 37.5% Depression 20.5% Fair or poor health 26.4% Poor mental health 17.7% Poor physical health 17.3% No health insurance 17.9% Visited doctor (checkup) 63.6% Visited dentist 43.4% Cholesterol screening 83.4% Teeth loss 31.3%
Veterans & disability
Veterans Count % Civilian veterans 19 5.6%
Disability % Any disability 22.2% Under 18 0.0% 18–64 years 23.2% 65 and over 44.3%
Health insurance coverage
Type % Private insurance 52.3% Public insurance 44.9% No insurance 13.8% Uninsured under 19 17.5%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 450 94.5% Spanish 24 5.3% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 451 94.7% Born in same state 450 94.5% Born in different state 398 83.6% Foreign born 1 0.2% Naturalized citizen 25 5.3% Not a US citizen 13 52.0%
Ancestry
Ancestry Count % Italian 21 4.4% Dutch 13 2.7%
Ancestry Count % Irish 5 1.1% Polish 5 1.1%
Technology access
Metric % of households Computer access 52.5% Internet access 64.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99740
What city is ZIP code 99740 in?
ZIP code 99740 is primarily assigned to Fort Yukon, Alaska.
What county is ZIP code 99740 in?
ZIP code 99740 falls within Yukon Koyukuk County, Alaska.
How educated is the population of ZIP code 99740?
14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 99740 have a large retiree population?
43% of households in ZIP code 99740 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 99740?
The median home value in ZIP code 99740 is $130,000.
What are the health statistics for ZIP code 99740?
Health data for ZIP code 99740 shows elevated rates of diabetes (16%) and smoking (37%) compared to national benchmarks.
What timezone is ZIP code 99740 in?
ZIP code 99740 observes the AKST timezone.
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